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Orton Pyrometric Cone: 03 - Large - Pair

Orton Pyrometric Cone: 03 - Large - Pair

$3.00 NZD

Reliable shipping

Flexible returns

Large Cones: require mounting in a commercial cone plaque,

Clay pat or wire cone holder before use. Mounting height

and angle is critical for consistent results.

Separating Cone Pairs:

Cones are formed in pairs and can be separated by

grasping the base and gently twisting along parting line.

Use Of Cones:

Cones are used to witness the heat work applied to ceramic ware

by a kiln. Common practice is to use multiple sets of three,

consecutively numbered cones placed strategically throughout the

ware setting to cover a wide temperature range. The first cone

in the series is called the Guide cone, the second is the Firing cone,

and the last is the Guard cone. A cone will bend when it is heated

to within a time and temperature heating profile. A bending difference

 of one cone or less throughout a kiln indicates good firing practice.

Interpretation of the cones bending point is of considerable aid for

making improvements to firing conditions and checking the

repeatability and uniformity of a kiln.

Cone No.

60°C

150°C

03

1086

1101

Terms and Conditions

Workshop Terms and Conditions

Workshops are held at the Quarry Arts Centre operated by the Northland Craft Trust, a registered non-profit charitable trust.  

As we don't have a cleaner to help us out, we ask that you check with your child to ensure they have done their bit and cleaned their tools and wiped their table area when picking them up. We appreciate your cooperation in maintaining a tidy environment, and all cleaning tools are provided for your convenience.

Workshop Terms and Conditions

Reservation and Payment: Your workshop spot is confirmed only once full payment has been received.

Payment must be completed before the workshop begins. We reserve the right to deny entry if the full fee has not been paid.

Cancellation Policy: Cancellations are accepted up to one week before the workshop and will be refunded minus a 15% cancellation fee. No refunds will be issued for cancellations made within seven days of the workshop.

Transfers: You are allowed to transfer your place to another person, whether by gift or sale.

Missed Classes: If you miss a class, regardless of notice, rescheduling, refunds, make-up sessions are not provided. We will do our best to offer an alternative session if possible, subject to availability.

Workshop Cancellation by Us: Should we need to cancel a workshop due to unforeseen circumstances, we will attempt to reschedule or provide a full refund.

Minimum Participants: A minimum of 6 participants is required for this workshop to proceed. We reserve the right to cancel the workshop and issue a full refund if this number is not met.

By attending this Quarry Arts Centre workshop, you grant your consent for any photography or video taken that may be used for promotional purposes, both in printed materials and online (including our website and social media), internal reporting, and sharing with our generous sponsors. Your understanding and support are greatly appreciated!

Safety and Compliance: We are committed to ensuring your safety and enjoyment during our workshops. Please adhere to all health and safety guidelines.

Agreement: By enrolling in any of our workshops, you accept and agree to these terms and conditions.

If you should have any questions, please email programmes@quarryarts.org

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